Description
In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
Published: 2017-10-09
Score: 4.7 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-4000-1 xorg-server security update
EUVD EUVD EUVD-2017-5238 In X.Org Server (aka xserver and xorg-server) before 1.19.4, an attacker authenticated to an X server with the X shared memory extension enabled can cause aborts of the X server or replace shared memory segments of other X clients in the same session.
Ubuntu USN Ubuntu USN USN-3453-1 X.Org X server vulnerabilities
History

Fri, 29 Aug 2025 13:45:00 +0000

Type Values Removed Values Added
First Time appeared X.org x Server
CPEs cpe:2.3:a:x.org:xorg-server:*:*:*:*:*:*:*:* cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*
Vendors & Products X.org xorg-server
X.org x Server

Subscriptions

Debian Debian Linux
X.org X Server
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T19:05:20.137Z

Reserved: 2017-08-28T00:00:00.000Z

Link: CVE-2017-13721

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2017-10-10T01:30:21.377

Modified: 2026-05-13T00:24:29.033

Link: CVE-2017-13721

cve-icon Redhat

Severity : Low

Publid Date: 2017-10-04T00:00:00Z

Links: CVE-2017-13721 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses